Voice over IP (VoIP) has transformed modern voice communications, making it capable of transmitting across Internet connections; over Internet, intranet, extranet, and private managed networks; and in thetkcert cloud. In this way, VoIP is distinct, using managed networks as IP transportation systems for transmitting voice signals. Although commonplace within businesses, VoIP is also available for residential calls, replacing the conventional telephone and answering machine. The primary benefit to both businesses and residences is the cost circusgold.com savings that result from forgoing the high costs associated with telephone companies, which pass landline costs such as telephone poll maintenance and overhead and underground cabling installations and repair on to the customer.

Rather than being limited by the private branch exchange (PBX) switch that shuffles connections among several telephone system branches, VoIP is the equivalent of IP PBX, enabling an IP address as the means of connecting each telephone. In addition, VoIP provides the capabilities for interconnecting calls, placing a call on hold while answering a second call, conference calling, transferring calls, and more. VoIP’s breadth of services is referred to as unified communications (UC). Data can be generated from recorded messages, logs, metrics, voice calls, forwarded voice calls or messages, and even transcribed voice calls. As a result of the many types of communications involved, voice and data must be guarded within a VoIP network just as it is guarded in a traditional data network.

In lieu of the manytkcert.com miles of telephone cables telephone companies have entrenched and connected to provide landlines, VoIP’s wireless connectivitycircusgold exam capabilities mean that voice signals can be transmitted over networks without the expensive costs of cabling, allowing businesses and residences to communicate at a significant cost savings.

What VoIP is not, however, is secure. VoIP will systematically send voice signals without regard for possible rogue interference or interceptors. IT security purposes itself to protect electronic data. Treating voice signals as data means benefitting from information security and cybersecurity standards and methodologies.

Organizations such as the National Institute of Standards and Technology provide the vision, recommendations, and guidelines for IT security governance, which supports organizations in the delivery of voice and data services.

SVoIP and VoSIP

Secure VoIP (SVoIP) is this vision realized. Voice communications currently rely on voice-based devices. Adding protection to voice-based devices has proven an ideal means of protecting VoIP transmissions. In some ways, SVoIP is the same as Voice over Secure IP (VoSIP). Both technologies transmit secure voice communications, but one difference lives on: VoSIP secures VoIP via a network encryption device, while SVoIP secures VoIP via the very telephone the voice signal is sent from and received on. With VoSIP, the voice signals are secure when the network encryption device has encrypted them, making it safe to transmit the signals between telephones. In contrast, with SVoIP, the voice signals are secure during transmission from telephone to telephone, because telephones must be VoIP compatible (IP phones). IP phones must have a compatible version of firmware that complements the VoIP network. They must also accommodate TCP-IP addresses, allowing connectivity to the topology via network configurations. Therefore, traditional telephones cannot serve as IP phones.

Summary

The final consideration begs the question of whether VoSIP or SVoIP is more secure in transmitting voice communications. The answer is SVoIP, because VoSIP encryption works to protect voice data between network encryption devices but not between IP phones. For the utmost in modern technologies for voice communications, therefore, SVoIP using the cloud and IP phones is both practical and cost-effective. In addition, UC from VoIP-hosted services is well worth the expense, offering most known features for handling calls, callers, and voice-based messages for a fraction of conventional prices.

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